

“The True Inside Story of Scotland Yard's Crime Busters!”
Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.

Jack Hawkins
Supt Tom Halliday
Lead
John Stratton
Sergeant Ward

Dorothy Alison
Mary Halliday
Michael Brooke
Tony Halliday

Sam Kydd
Police Constable in Information Room

Glyn Houston
Detective Sergeant in 'Q' car

Richard Leech
Nightwatchman / Gilson
Newton Blick
Deputy Commander
“A staggering achievement of craft and ambition. Charles Frend's vision lands with breathtaking precision.”
“Every frame feels alive. The Long Arm is the rare release that takes its audience seriously.”